The FAT filesystem partition volume label can be read with FAT_IOCTL_GET_VOLUME_LABEL and written with FAT_IOCTL_SET_VOLUME_LABEL.
v3: 1. write volume label both boot sector and root directory. v2: 1. add filesystem version check. 2. add diretory permissions check. 3. add volume label string check. 4. fixed part of return value. 5. fixed some indent issue. 6. remove sync_dirty_buffer(). Chen Guanqiao (2): fs: fat: add fat filesystem partition volume label in local structure fs: fat: add ioctl method in fat filesystem driver fs/fat/fat.h | 1 + fs/fat/file.c | 116 ++++++++++++++++++++++++++++++++++++++++++ fs/fat/inode.c | 15 ++++-- include/uapi/linux/msdos_fs.h | 2 + 4 files changed, 131 insertions(+), 3 deletions(-) -- 2.15.1
